40426925 has 24 divisors (see below), whose sum is σ = 62501952. Its totient is φ = 25200000.

The previous prime is 40426921. The next prime is 40426931. The reversal of 40426925 is 52962404.

It is not a de Polignac number, because 40426925 - 2² = 40426921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40426891 and 40426900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40426921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8576 + ... + 12425.

It is an arithmetic number, because the mean of its divisors is an integer number (2604248).

Almost surely, 2^40426925 is an apocalyptic number.

It is an amenable number.

40426925 is a deficient number, since it is larger than the sum of its proper divisors (22075027).

40426925 is a wasteful number, since it uses less digits than its factorization.

40426925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21029 (or 21024 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 40426925 is about 6358.2171243203. The cubic root of 40426925 is about 343.2076052247.

The spelling of 40426925 in words is "forty million, four hundred twenty-six thousand, nine hundred twenty-five".